Toothbrush



1.1 is a front side view;

1.2 is a back side view;

1.3 is a left side view;

1.4 is a right side view;

1.5 is a top plan view; and

1.6 is a bottom plan view.

In the reproductions, the broken lines are for the purpose of illustrating portions of the toothbrush that form no part of the claimed design. 

CLAIM The ornamental design for a toothbrush, as shown and described. 